Vitest v4.1.4 — Release Notes & Engineering Impact

Source available — automated, not human-reviewed

Component: vitest · Channel: stable. Automated analysis, not a compatibility certification. How this works.

Analysis updated: 2026-11-01.

Compatibility not verified — check source notes

📄 .MD

✨ Features 4 🔧 Bug Fixes 4

⚡ Executive Summary (TL;DR)

Vitest v4.1.4. Source highlight:    🚀 Experimental Features

Visit Vitest Official Site ↗ Official Release Source ↗ All Vitest Releases 📡 Vitest RSS

Who Does This Impact? (Role-Based Analysis)

💻 Software Engineers & Devs

Check the source notes against the package and APIs you use before upgrading.

📊 Product & Engineering Leads

Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.

⚙️ DevOps & Security

Verify the target version, runtime requirements and rollback procedure in the official documentation.

✨ New Features & Capabilities (4)

Default to text reporter `skipFull` if agent detected  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10018 <samp>(53757)</samp>
Expose `assertion` as a public field  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10095 <samp>(a120e)</samp>
Support aria snapshot  -  by @hi-ogawa, **Claude Opus 4.6 (1M context)**, @AriPerkkio, **Codex** and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9668 <samp>(d4fbb)</samp>
Add filterMeta option to json reporter  -  by @nami8824 and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10078 <samp>(b77de)</samp>

🔧 Bug Fixes & Patches (4)

Use "black" foreground for labeled terminal message to ensure contrast  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10076 <samp>(203f0)</samp>
Make `expect(..., message)` consistent as error message prefix  -  by @hi-ogawa and **Codex** in https://github.com/vitest-dev/vitest/issues/10068 <samp>(a1b5f)</samp>
Do not hoist imports whose names match class properties .  -  by @SunsetFi in https://github.com/vitest-dev/vitest/issues/10093 and https://github.com/vitest-dev/vitest/issues/10094 <samp>(0fc4b)</samp>
**browser**: Spread user server options into browser Vite server in project  -  by @GoldStrikeArch in https://github.com/vitest-dev/vitest/issues/10049 <samp>(65c9d)</samp>

📄 View Raw Release Notes (Original Developer Log)

###    🚀 Experimental Features - **coverage**: - Default to text reporter `skipFull` if agent detected  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10018 [<samp>(53757)</samp>](https://github.com/vitest-dev/vitest/commit/53757804c) - **experimental**: - Expose `assertion` as a public field  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10095 [<samp>(a120e)</samp>](https://github.com/vitest-dev/vitest/commit/a120e3ab8) - Support aria snapshot  -  by @hi-ogawa, **Claude Opus 4.6 (1M context)**, @AriPerkkio, **Codex** and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9668 [<samp>(d4fbb)</samp>](https://github.com/vitest-dev/vitest/commit/d4fbb5cc9) - **reporter**: - Add filterMeta option to json reporter  -  by @nami8824 and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10078 [<samp>(b77de)</samp>](https://github.com/vitest-dev/vitest/commit/b77de968e) ###    🐞 Bug Fixes - Use "black" foreground for labeled terminal message to ensure contrast  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10076 [<samp>(203f0)</samp>](https://github.com/vitest-dev/vitest/commit/203f07af7) - Make `expect(..., message)` consistent as error message prefix  -  by @hi-ogawa and **Codex** in https://github.com/vitest-dev/vitest/issues/10068 [<samp>(a1b5f)</samp>](https://github.com/vitest-dev/vitest/commit/a1b5f0f4f) - Do not hoist imports whose names match class properties .  -  by @SunsetFi in https://github.com/vitest-dev/vitest/issues/10093 and https://github.com/vitest-dev/vitest/issues/10094 [<samp>(0fc4b)</samp>](https://github.com/vitest-dev/vitest/commit/0fc4b47e0) - **browser**: Spread user server options into browser Vite server in project  -  by @GoldStrikeArch in https://github.com/vitest-dev/vitest/issues/10049 [<samp>(65c9d)</samp>](https://github.com/vitest-dev/vitest/commit/65c9d55eb) #####     [View changes on GitHub](https://github.com/vitest-dev/vitest/compare/v4.1.3...v4.1.4)

← Older Version Vitest v4.1.3 Newer Version → Vitest v4.1.5